Home / 4,076.12-5,639.86-3,553.24

Finding the Fourth Proportional to 4,076.12, 5,639.86 and 3,553.24

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Solution

The fourth proportional to 4,076.12, 5,639.86 and 3,553.24 is: 4,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.12 : 5,639.86 = 3,553.24 : x
  2. Step 2: Convert to fraction form
    4,076.12/5,639.86 = 3,553.24/x
  3. Step 3: Cross multiply
    4,076.12x = 5,639.86 × 3,553.24
  4. Step 4: Simplify right side
    4,076.12x = 20,039,776.15
  5. Step 5: Solve for x
    x = 20,039,776.15/4,076.12
  6. Step 6: Final answer
    x = 4,916.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.